| 1 | include $(MAKEDIR)/syslinux.mk |
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| 2 | |
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| 3 | com32 = $(topdir)/com32 |
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| 4 | core = $(topdir)/core |
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| 5 | |
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| 6 | # Support IA32 and x86_64 platforms with one build |
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| 7 | # Set up architecture specifics; for cross compilation, set ARCH as apt |
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| 8 | # gnuefi sets up architecture specifics in ia32 or x86_64 sub directories |
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| 9 | # set up the LIBDIR and EFIINC for building for the appropriate architecture |
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| 10 | GCCOPT := $(call gcc_ok,-fno-stack-protector,) |
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| 11 | EFIINC = $(objdir)/include/efi |
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| 12 | LIBDIR = $(objdir)/lib |
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| 13 | |
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| 14 | ifeq ($(ARCH),i386) |
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| 15 | ARCHOPT = -m32 -march=i386 |
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| 16 | EFI_SUBARCH = ia32 |
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| 17 | endif |
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| 18 | ifeq ($(ARCH),x86_64) |
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| 19 | ARCHOPT = -m64 -march=x86-64 |
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| 20 | EFI_SUBARCH = $(ARCH) |
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| 21 | endif |
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| 22 | |
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| 23 | #LIBDIR=/usr/lib |
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| 24 | FORMAT=efi-app-$(EFI_SUBARCH) |
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| 25 | |
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| 26 | CFLAGS = -I$(EFIINC) -I$(EFIINC)/$(EFI_SUBARCH) \ |
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| 27 | -DEFI_FUNCTION_WRAPPER -fPIC -fshort-wchar -ffreestanding \ |
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| 28 | -Wall -I$(com32)/include -I$(com32)/include/sys \ |
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| 29 | -I$(core)/include -I$(core)/ $(ARCHOPT) \ |
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| 30 | -I$(com32)/lib/ -I$(com32)/libutil/include -std=gnu99 \ |
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| 31 | -DELF_DEBUG -DSYSLINUX_EFI -I$(objdir) \ |
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| 32 | $(GCCWARN) -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ -mno-red-zone \ |
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| 33 | -DLDLINUX=\"$(LDLINUX)\" -fvisibility=hidden \ |
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| 34 | -Wno-unused-parameter $(GCCOPT) |
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| 35 | |
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| 36 | CRT0 := $(LIBDIR)/crt0-efi-$(EFI_SUBARCH).o |
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| 37 | LDSCRIPT := $(LIBDIR)/elf_$(EFI_SUBARCH)_efi.lds |
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| 38 | |
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| 39 | LDFLAGS = -T $(SRC)/$(ARCH)/syslinux.ld -Bsymbolic -pie -nostdlib -znocombreloc \ |
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| 40 | -L$(LIBDIR) --hash-style=gnu -m elf_$(ARCH) $(CRT0) -E |
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| 41 | |
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| 42 | SFLAGS = $(GCCOPT) $(GCCWARN) $(ARCHOPT) \ |
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| 43 | -fomit-frame-pointer -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \ |
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| 44 | -nostdinc -iwithprefix include \ |
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| 45 | -I$(com32)/libutil/include -I$(com32)/include -I$(com32)/include/sys $(GPLINCLUDE) |
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| 46 | |
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| 47 | LIBEFI = $(objdir)/lib/libefi.a |
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| 48 | |
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| 49 | $(LIBEFI): |
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| 50 | @echo Building gnu-efi for $(EFI_SUBARCH) |
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| 51 | $(topdir)/efi/check-gnu-efi.sh $(EFI_SUBARCH) $(objdir) |
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| 52 | |
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| 53 | %.o: %.S # Cancel old rule |
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| 54 | |
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| 55 | %.o: %.c |
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| 56 | |
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| 57 | .PRECIOUS: %.o |
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| 58 | %.o: %.S $(LIBEFI) |
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| 59 | $(CC) $(SFLAGS) -c -o $@ $< |
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| 60 | |
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| 61 | .PRECIOUS: %.o |
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| 62 | %.o: %.c $(LIBEFI) |
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| 63 | $(CC) $(CFLAGS) -c -o $@ $< |
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| 64 | |
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| 65 | #%.efi: %.so |
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| 66 | # $(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel \ |
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| 67 | # -j .rela -j .reloc --target=$(FORMAT) $*.so $@ |
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